Questioners

 1.What are the major characteristics that distinguish living from non living?

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2.Living matter is composed of about 92 chemical elements. What are the six most abundant chemical elements in living matter?............................................................

3.The most abundant inorganic component in living matter is water. What are the  main functions of water  in living organisms?                                                   

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4.Name two major nitrogen containing polymeric compounds in living organisms and indicate two major functions of each?  

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5.What are the three major principles on which the cell  theory is made?                                                                                          

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6.Write four major characteristics unique in prokaryotic organisms?

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7. Name two polymeric compounds found in plant cell wall?

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